perl-Scope-Upper

Act on upper scopes

This module lets you defer actions _at run-time_ that will take place when the control flow returns into an upper scope. Currently, you can: * hook an upper scope end with reap ; * localize variables, array/hash values or deletions of elements in higher contexts with respectively localize, localize_elem and localize_delete ; * return values immediately to an upper level with unwind, yield and leave ; * gather information about an upper context with want_at and context_info ; * execute a subroutine in the setting of an upper subroutine stack frame with uplevel ; * uniquely identify contexts with uid and validate_uid.

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